Alaska earthquakes

M1.7 earthquake 43 km WNW of Ninilchik, Alaska

A magnitude 1.7 earthquake struck 43 km WNW of Ninilchik, Alaska on Wed, Aug 22, 2018, 11:59 AM AKDT (19:59 UTC), 92 km (57 mi) below the surface.

A larger quake followed: M3.9 50 km E of Pedro Bay, Alaska. This one was a foreshock.

Ninilchik forecast More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 1.7 (ml), micro
Local time: Wed, Aug 22, 2018, 11:59 AM AKDT
UTC: 2018-08-22 19:59:23 UTC
Depth: 91.9 km (57.1 mi), intermediate-depth
Epicenter: 60.244° N, 152.347° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used: 45

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 201.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018arbf54m (also filed as ak20150215). Read Wed, Sep 30, 2026, 4:45 PM UTC.